*
{
    margin:auto;
}
#table
{
    width: 800px;
    text-align: center;
    border-color: rgb(223, 223, 223);
    border-collapse: collapse;
}

.attribute
{
    background-color:rgb(238, 243, 249);
    text-align: left;
    font-weight: 700;
    text-indent: 3px;
}

.header
{
    /*背景图片,颜色*/
    background-image: url(logo.png);
    background-repeat:no-repeat;
    background-position: 31px 7px;
    background-color: rgb(238, 243, 249);
    /*控制长宽*/
    width: 100%;
    height: 60px;
    /*控制垂直居中*/
    line-height: 60px;
    /*控制字体*/
    font-size:25px;
    font-weight: bold;
    /*控制上下边距*/
    margin:20px auto;
    border-radius:1px;
}

td
{
    height: 30px;
}

div.down
{
    margin:15px auto;
    width: 800px;
}
.end
{
    float: right;
    width: 25%;
}



